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maths: matrix.is_magic should check for integers

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This commit is contained in:
Danny Robson 2014-07-07 15:17:16 +10:00
parent 5c030bf0ea
commit 6e2a78fc3b
1 changed files with 2 additions and 1 deletions
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maths/matrix.cpp
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@ -246,7 +246,8 @@ matrix::is_magic (void) const {
double a = (*this)[i][j],
b = (*this)[j][i];
if (!exactly_zero (a) || !exactly_zero (b))
if (!exactly_equal (static_cast<uintmax_t> (a), a) ||
!exactly_equal (static_cast<uintmax_t> (b), b))
return false;
if (!numbers.contains (a) ||